<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <li class="with-x" v-if="searchParams.categoryName">
              {{ searchParams.categoryName }}<i @click="removebrandlist">x</i>
            </li>

            <li class="with-x" v-if="searchParams.keyword">
              {{ searchParams.keyword }}<i @click="removeKeyword">x</i>
            </li>

            <li class="with-x" v-if="searchParams.trademark">
              {{ searchParams.trademark.split(":")[1]
              }}<i @click="removetrademark">x</i>
            </li>

            <li
              class="with-x"
              v-for="(attr, index) in searchParams.props"
              :key="index"
            >
              {{ attr.split(":")[1] }}<i @click="removeattr(index)">x</i>
            </li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector @trademarkinfo="trademarkinfo" @attrinfo="attrinfo" />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{ active: isone }">
                  <a @click="changeOrder(1)">
                    <span
                      v-show="isone"
                      class="iconfont"
                      :class="{ 'icon-up': isasc, 'icon-down': isdesc }"
                    ></span>
                    综合
                  </a>
                </li>
                <li :class="{ active: istwo }">
                  <a @click="changeOrder(2)">
                    <span
                      v-show="istwo"
                      class="iconfont"
                      :class="{ 'icon-up': isasc, 'icon-down': isdesc }"
                    ></span>
                    价格
                  </a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li
                class="yui3-u-1-5"
                v-for="(good, index) in goodsList"
                :key="good.id"
              >
                <div class="list-wrap">
                  <div class="p-img">
                    <!-- !!跳转到Detail路由 并传参数过去 -->
                    <router-link
                      :to="{ name: 'detail', params: { id: good.id } }"
                      ><img v-lazy="good.defaultImg"
                    /></router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ good.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a
                      target="_blank"
                      href="item.html"
                      title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】"
                      >{{ good.title }}</a
                    >
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
        </div>
        //continues表示连续的页码数为5页
        <Pagination
          :pageNo="searchParams.pageNo"
          :pageContain="searchParams.pageSize"
          :total="searchLists.total"
          :continues="5"
          @getpage="getpage"
        />
      </div>
    </div>
  </div>
</template>

<script>
import { mapActions, mapState, mapGetters } from "vuex";
import SearchSelector from "./SearchSelector/SearchSelector";
export default {
  name: "Search",
  data() {
    return {
      searchParams: {
        category1Id: "",
        category2Id: "",
        category3Id: "",
        categoryName: "",
        keyword: "",
        //默认状态是降序的且是第一个
        order: "1:desc",
        pageNo: 1,
        //表示每页显示的内容为5个
        pageSize: 5,
        props: [],
        trademark: "",
      },
    };
  },
  components: {
    SearchSelector,
  },
  methods: {
    ...mapActions("search", ["getsearchlist"]),
    //移出TypeNav面包屑
    removebrandlist() {
      this.searchParams.categoryName = undefined;
      this.searchParams.category1Id = undefined;
      this.searchParams.category2Id = undefined;
      this.searchParams.category3Id = undefined;
      //!!这里其实可以不用发请求，因为下面监听了路由的信息，路由发生变换，就会发请求
      // this.getsearchlist(this.searchParams);
      this.$router.push({ name: "search", params: this.$route.params });
    },
    //移出关键词面包屑
    removeKeyword() {
      this.searchParams.keyword = undefined;
      //!!这里其实可以不用发请求，因为下面监听了路由的信息，路由发生变换，就会发请求
      // this.getsearchlist(this.searchParams);
      this.$router.push({ name: "search", query: this.$route.query });
      //全局事件总线 删除删除搜索框的内容
      this.$bus.$emit("clear");
    },
    // 自定义事件 得到子组件商标数据
    trademarkinfo(trademark) {
      // console.log("@@@", trademark);
      //整理成和文档需要的数据格式 发送数据
      this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}`;
      this.getsearchlist(this.searchParams);
    },
    //移出标签信息面包屑
    removetrademark() {
      this.searchParams.trademark = undefined;
      this.getsearchlist(this.searchParams);
    },
    //自定义事件  得到子组件数据
    attrinfo(attr, attrvalue) {
      //整理好 从searchselecor组件得到的数据
      let result = `${attr.attrId}:${attrvalue}:${attr.attrName}`;
      if (this.searchParams.props.indexOf(result) === -1) {
        this.searchParams.props.push(result);
      }
      this.getsearchlist(this.searchParams);
    },
    //移出一个属性面包屑
    removeattr(index) {
      this.searchParams.props.splice(index, 1);
      this.getsearchlist(this.searchParams);
    },
    //!!改变列表按钮 进行不同的排序
    changeOrder(index) {
      //得到刚开始的数据
      let originflag = this.searchParams.order.split(":")[0];
      let originsort = this.searchParams.order.split(":")[1];
      let newOrder = "";
      //判断点击的那个一个按钮
      if (index == originflag) {
        newOrder = `${index}:${originsort == "desc" ? "asc" : "desc"}`;
      } else {
        newOrder = `${index}:${(originsort = "desc")}`;
      }
      this.searchParams.order = newOrder;
      this.getsearchlist(this.searchParams);
    },
    //得到分页器传过来的数据
    getpage(value) {
      this.searchParams.pageNo = value;
      this.getsearchlist(this.searchParams);
    },
  },
  beforeMount() {
    //?这里的this.$route.query 和this.$route.query 来自于组件 Header和 TypeNav 向search发送的参数！！！！
    //看看 Object.assign的使用方法
    Object.assign(this.searchParams, this.$route.query, this.$route.params);
  },
  mounted() {
    //向服务器发post请求 并携带参数
    //!!!很关键！！！，发送post请求时，不要忘记带参数给服务器！！！！
    this.getsearchlist(this.searchParams);
    //向home组件发起 请求得到数据
  },
  computed: {
    ...mapState("search", ["searchLists"]),
    ...mapGetters("search", ["goodsList", "attrsList", "trademarkList"]),
    //这里判断的是页面价格和综合的升序降序颜色问题
    isone() {
      return this.searchParams.order.includes(1);
    },
    istwo() {
      return this.searchParams.order.includes(2);
    },
    isasc() {
      return this.searchParams.order.includes("asc");
    },
    isdesc() {
      return this.searchParams.order.includes("desc");
    },
  },
  watch: {
    // 监听路由里面的数据是否发生变化  变换了就发请求
    $route: {
      handler(newvalue, oldvalue) {
        //参数的整理
        Object.assign(this.searchParams, this.$route.query, this.$route.params);
        //验证是否可以监听到数据
        // console.log(this.searchParams);
        this.getsearchlist(this.searchParams);
        //在下次发生请求之前 清除之前的存在的数据  这里必须清空，
        // 不然会导致category1Id category2Id category3Id 同时出现数据的问题 仔细理解这里 点击不同三级联动组件分类导致的数据重合
        this.searchParams.category1Id = undefined;
        this.searchParams.category2Id = undefined;
        this.searchParams.category3Id = undefined;
      },
    },
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>